.logo {
    float: left;
    width: 100px;
    height: 50px;
    margin: 5px 24px 5px 0;
    // background: rgba(212, 38, 38, 0.3);
    background: url(https://z3.ax1x.com/2021/06/23/Rmh0nH.png) no-repeat center center;
    background-size:100% 100%;
  }
  
  .header {
    background: #fff !important;
    z-index: 999 !important;
  }